diff --git a/system/admin/admin.php b/system/admin/admin.php
index 24cc1cbf..3fa6a75d 100644
--- a/system/admin/admin.php
+++ b/system/admin/admin.php
@@ -31,6 +31,14 @@ function session($user, $pass, $str = null) {
 		}
 }
 
+// Clean URLs
+function remove_accent($str)
+{
+  $a = array('À', 'Á', 'Â', 'Ã', 'Ä', 'Å', 'Æ', 'Ç', 'È', 'É', 'Ê', 'Ë', 'Ì', 'Í', 'Î', 'Ï', 'Ð', 'Ñ', 'Ò', 'Ó', 'Ô', 'Õ', 'Ö', 'Ø', 'Ù', 'Ú', 'Û', 'Ü', 'Ý', 'ß', 'à', 'á', 'â', 'ã', 'ä', 'å', 'æ', 'ç', 'è', 'é', 'ê', 'ë', 'ì', 'í', 'î', 'ï', 'ñ', 'ò', 'ó', 'ô', 'õ', 'ö', 'ø', 'ù', 'ú', 'û', 'ü', 'ý', 'ÿ', 'Ā', 'ā', 'Ă', 'ă', 'Ą', 'ą', 'Ć', 'ć', 'Ĉ', 'ĉ', 'Ċ', 'ċ', 'Č', 'č', 'Ď', 'ď', 'Đ', 'đ', 'Ē', 'ē', 'Ĕ', 'ĕ', 'Ė', 'ė', 'Ę', 'ę', 'Ě', 'ě', 'Ĝ', 'ĝ', 'Ğ', 'ğ', 'Ġ', 'ġ', 'Ģ', 'ģ', 'Ĥ', 'ĥ', 'Ħ', 'ħ', 'Ĩ', 'ĩ', 'Ī', 'ī', 'Ĭ', 'ĭ', 'Į', 'į', 'İ', 'ı', 'IJ', 'ij', 'Ĵ', 'ĵ', 'Ķ', 'ķ', 'Ĺ', 'ĺ', 'Ļ', 'ļ', 'Ľ', 'ľ', 'Ŀ', 'ŀ', 'Ł', 'ł', 'Ń', 'ń', 'Ņ', 'ņ', 'Ň', 'ň', 'ʼn', 'Ō', 'ō', 'Ŏ', 'ŏ', 'Ő', 'ő', 'Œ', 'œ', 'Ŕ', 'ŕ', 'Ŗ', 'ŗ', 'Ř', 'ř', 'Ś', 'ś', 'Ŝ', 'ŝ', 'Ş', 'ş', 'Š', 'š', 'Ţ', 'ţ', 'Ť', 'ť', 'Ŧ', 'ŧ', 'Ũ', 'ũ', 'Ū', 'ū', 'Ŭ', 'ŭ', 'Ů', 'ů', 'Ű', 'ű', 'Ų', 'ų', 'Ŵ', 'ŵ', 'Ŷ', 'ŷ', 'Ÿ', 'Ź', 'ź', 'Ż', 'ż', 'Ž', 'ž', 'ſ', 'ƒ', 'Ơ', 'ơ', 'Ư', 'ư', 'Ǎ', 'ǎ', 'Ǐ', 'ǐ', 'Ǒ', 'ǒ', 'Ǔ', 'ǔ', 'Ǖ', 'ǖ', 'Ǘ', 'ǘ', 'Ǚ', 'ǚ', 'Ǜ', 'ǜ', 'Ǻ', 'ǻ', 'Ǽ', 'ǽ', 'Ǿ', 'ǿ');
+  $b = array('A', 'A', 'A', 'A', 'A', 'A', 'AE', 'C', 'E', 'E', 'E', 'E', 'I', 'I', 'I', 'I', 'D', 'N', 'O', 'O', 'O', 'O', 'O', 'O', 'U', 'U', 'U', 'U', 'Y', 's', 'a', 'a', 'a', 'a', 'a', 'a', 'ae', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', 'i', 'n', 'o', 'o', 'o', 'o', 'o', 'o', 'u', 'u', 'u', 'u', 'y', 'y', 'A', 'a', 'A', 'a', 'A', 'a', 'C', 'c', 'C', 'c', 'C', 'c', 'C', 'c', 'D', 'd', 'D', 'd', 'E', 'e', 'E', 'e', 'E', 'e', 'E', 'e', 'E', 'e', 'G', 'g', 'G', 'g', 'G', 'g', 'G', 'g', 'H', 'h', 'H', 'h', 'I', 'i', 'I', 'i', 'I', 'i', 'I', 'i', 'I', 'i', 'IJ', 'ij', 'J', 'j', 'K', 'k', 'L', 'l', 'L', 'l', 'L', 'l', 'L', 'l', 'l', 'l', 'N', 'n', 'N', 'n', 'N', 'n', 'n', 'O', 'o', 'O', 'o', 'O', 'o', 'OE', 'oe', 'R', 'r', 'R', 'r', 'R', 'r', 'S', 's', 'S', 's', 'S', 's', 'S', 's', 'T', 't', 'T', 't', 'T', 't', 'U', 'u', 'U', 'u', 'U', 'u', 'U', 'u', 'U', 'u', 'U', 'u', 'W', 'w', 'Y', 'y', 'Y', 'Z', 'z', 'Z', 'z', 'Z', 'z', 's', 'f', 'O', 'o', 'U', 'u', 'A', 'a', 'I', 'i', 'O', 'o', 'U', 'u', 'U', 'u', 'U', 'u', 'U', 'u', 'U', 'u', 'A', 'a', 'AE', 'ae', 'O', 'o');
+  return str_replace($a, $b, $str);
+} 
+
 // Edit blog posts
 function edit_post($title, $tag, $url, $content, $oldfile, $destination = null) {
 
@@ -40,11 +48,7 @@ function edit_post($title, $tag, $url, $content, $oldfile, $destination = null)
 	$post_tag = preg_replace('/[^A-Za-z0-9,.-]/u', '', $tag);
 	$post_tag = str_replace(' ', '-',$post_tag);
 	$post_tag = rtrim(ltrim($post_tag, ',\.\-'), ',\.\-');
-	$post_url = preg_replace('/[^A-Za-z0-9 ,.-]/u', '', strtolower($url));
-	$post_url = str_replace(' ', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = rtrim(ltrim($post_url, ',\.\-'), ',\.\-');
+	$post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url))); 
 	$post_content = '<!--t ' . $post_title . ' t-->' . "\n\n" . $content;
 		
 	if(!empty($post_title) && !empty($post_tag) && !empty($post_url) && !empty($post_content)) {
@@ -90,11 +94,7 @@ function edit_page($title, $url, $content, $oldfile, $destination = null) {
 	$dir = substr($oldfile, 0, strrpos($oldfile, '/'));
 
 	$post_title = $title;
-	$post_url = preg_replace('/[^A-Za-z0-9 ,.-]/u', '', strtolower($url));
-	$post_url = str_replace(' ', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = rtrim(ltrim($post_url, ',\.\-'), ',\.\-');
+	$post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url))); 
 	$post_content = '<!--t ' . $post_title . ' t-->' . "\n\n" . $content;
 		
 	if(!empty($post_title) && !empty($post_url) && !empty($post_content)) {
@@ -131,11 +131,7 @@ function add_post($title, $tag, $url, $content, $user) {
 	$post_title = $title;
 	$post_tag = preg_replace('/[^A-Za-z0-9,.-]/u', '', $tag);
 	$post_tag = rtrim(ltrim($post_tag, ',\.\-'), ',\.\-');
-	$post_url = preg_replace('/[^A-Za-z0-9 ,.-]/u', '', strtolower($url));
-	$post_url = str_replace(' ', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = rtrim(ltrim($post_url, ' \,\.\-'), ' \,\.\-');
+	$post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url))); 
 	$post_content = '<!--t ' . $post_title . ' t-->' . "\n\n" . $content;
 	
 	if(!empty($post_title) && !empty($post_tag) && !empty($post_url) && !empty($post_content)) {
@@ -161,11 +157,7 @@ function add_post($title, $tag, $url, $content, $user) {
 function add_page($title, $url, $content) {
 
 	$post_title = $title;
-	$post_url = preg_replace('/[^A-Za-z0-9 ,.-]/u', '', strtolower($url));
-	$post_url = str_replace(' ', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = rtrim(ltrim($post_url, ',\.\-'), ',\.\-');
+	$post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url))); 
 	$post_content = '<!--t ' . $post_title . ' t-->' . "\n\n" . $content;
 	
 	if(!empty($post_title) && !empty($post_url) && !empty($post_content)) {
@@ -251,11 +243,7 @@ function migrate($title, $time, $tags, $content, $url, $user, $source) {
 	$post_title = $title;
 	$post_tag = preg_replace('/[^A-Za-z0-9,.-]/u', '', $tags);
 	$post_tag = rtrim(ltrim($post_tag, ',\.\-'), ',\.\-');
-	$post_url = preg_replace('/[^A-Za-z0-9 ,.-]/u', '', strtolower($url));
-	$post_url = str_replace(' ', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = str_replace('--', '-',$post_url);
-	$post_url = rtrim(ltrim($post_url, ',\.\-'), ',\.\-');
+	$post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url))); 
 	if(!empty($source)) {
 		$post_content = '<!--t ' . $post_title . ' t-->' . "\n\n" . $content . "\n\n" . 'Source: <a target="_blank" href="' . $source . '">' . $title . '</a>';
 	}
@@ -306,12 +294,7 @@ function get_feed($feed_url, $credit, $message=null) {
 			$title = rtrim($entry->title, ' \,\.\-');
 			$title = ltrim($title, ' \,\.\-');
 			$user = $_SESSION['user'];
-			$url = preg_replace('/[^A-Za-z0-9 .-]/u', '', strtolower($title));
-			$url = str_replace(' ', '-',$url);
-			$url = str_replace('--', '-',$url);
-			$url = str_replace('--', '-',$url);
-			$url = rtrim($url, ',\.\-');
-			$url = ltrim($url, ',\.\-');
+			$url = strtolower(preg_replace(array('/[^a-zA-Z0-9 -]/', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($title))); 
 			if ($credit == 'yes') {
 				$source = $entry->link;
 			}
diff --git a/system/includes/functions.php b/system/includes/functions.php
index aabeaa8b..18c1c691 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -261,6 +261,7 @@ function get_tag($tag, $page, $perpage, $random){
 		$etag = explode(',', $tag);
 		foreach ($mtag as $t) {
 			foreach ($etag as $e) {
+				$e = trim($e);
 				if($t === $e){
 					$tmp[] = $v;
 				}
@@ -272,6 +273,8 @@ function get_tag($tag, $page, $perpage, $random){
 		not_found();
 	}
 	
+	$tmp = array_unique($tmp, SORT_REGULAR);
+	
 	return $tmp = get_posts($tmp, $page, $perpage);
 	
 }
@@ -476,7 +479,7 @@ function get_related($tag) {
 	$posts = get_tag(strip_tags($tag), 1, $perpage+1, true);
 	$tmp = array();
 	$req = $_SERVER['REQUEST_URI'];
-	
+
 	foreach ($posts as $post) {
 		$url = $post->url;
 		if( strpos($url, $req) === false){
@@ -1469,7 +1472,7 @@ function Zip($source, $destination, $include_dir = false) {
 // TRUE if the current page is the front page.
 function is_front() {
 	$req = $_SERVER['REQUEST_URI'];
-	if($req == site_path() . '/') {
+	if($req == site_path() . '/' || strpos($req, site_path() . '/?page') !== false) {
 		return true;
 	}
 	else {
@@ -1480,7 +1483,7 @@ function is_front() {
 // TRUE if the current page is an index page like frontpage, tag index, archive index and search index.
 function is_index() {
 	$req = $_SERVER['REQUEST_URI'];
-	if(strpos($req, '/archive/') !== false || strpos($req, '/tag/') !== false || strpos($req, '/search/') !== false || $req == site_path() . '/'){
+	if(strpos($req, '/archive/') !== false || strpos($req, '/tag/') !== false || strpos($req, '/search/') !== false || $req == site_path() . '/' || strpos($req, site_path() . '/?page') !== false){
 		return true;
 	}
 	else {
@@ -1516,11 +1519,10 @@ function authorinfo($title=null, $body=null) {
 }
 
 function head_contents($title, $description, $canonical) {
-
 	$styleImage = config('lightbox');
 	$jq = config('jquery');
 	$output = '';
-	
+
 	$title = '<title>' . $title . '</title>';
 	$favicon = '<link href="' . site_url() . 'favicon.ico" rel="icon" type="image/x-icon"/>';
 	$charset = '<meta charset="utf-8" />';